INCOME TAXES - Effective Income Tax Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Tax Disclosure [Abstract]
Income tax at statutory rate	$ 78,713	$ 70,288	$ 67,547
State income taxes, net of federal tax effect	362	1,475	1,616
Excess tax benefits from share-based compensation	(5,935)	(3,306)	(16,060)
Deferred tax (benefits) charges, incl. tax rate changes	(3,512)	(2,349)	(1,040)
Valuation allowance	158	1,486	4,485
Legal entity reorganization	3,630	5,850	0
Rate differential on earnings of foreign operations	18,917	19,165	20,831
Other items, net	(1,684)	2,540	638
Actual income tax provision	$ 90,649	$ 95,149	$ 78,017
Effective income tax rate	24.20%	28.40%	24.30%